International distributor of plastic welding tools and semifinished plastics


If you want to weld thin or thick geomembranes (0.5 to 2.5 mm) 20-100 mils quickly, easily and safely, the TWINNY T7 or TWINNY T5 are your go-to automatic welders. Both tools are well-rounded, thanks to their practical design and intuitive operation. The  TWINNY T7 comes equipped with highly-efficient data recording ability thanks to the LQS function, GPS, Wi-Fi and connection to the myLeister app. are guaranteed. Switch on and start welding – TWINNY T7 and T5.

  • Multifunctional display for setting and monitoring speed, temperature and air volume
  • Voltage display
  • Wireless connection, GPS, integrated LQS, connection to myLeister app
  • 100 % increase in welding speed over TWINNY T, with a brushless blower motor


  • Air temperature: 560 °C
  • Voltage: 230 V~
  • Max. overlap: 4.9 inch
  • Size (L × B × H): 350 × 360 × 260 mm
  • Weight: 10.5 kg


Twinny T7_Brochure